Under Armour Jump Over 'Em Boys' Basketball Shorts 10 inseam (size medium +/- 1" per size). Fabric: polyester. Loose fit basketball shorts. Durable knit fabrication is tough enough to withstand heavy wear. Signature Moisture Transport System wicks sweat away to keep him dry and light. Covered elastic waistband with internal dual-color drawcord for a snug comfortable fit. Mesh hand pockets provide ventilated storage. Printed side panels for athletic flair.